Dallas Colleges: Rodney Coe
2. TCU: DE Devonte Fields, the Associated Press’ Big 12 Defensive Player of the Year as a freshman in 2012, had an empty season in 2013 thanks to a suspension, then a season-ending foot injury. If Fields can return to the player he was, TCU will be formidable up front. Chucky Hunter was a second-team All-Big 12 pick inside last season, and he’ll be flanked by an array of experienced tackles in Davion Pierson, Jon Lewis and Tevin Lawson, who were all part of the rotation last season. Ends Terrell Lathan, James McFarland and Mike Tuaua, who combined for 11 sacks in 2013, all return as well. TCU's D-line figures to be as deep as any in the league.
3. Texas: Cedric Reed, one of the best sack men in the Big 12 last season, returns after giving the NFL a cursory thought. The Longhorns have to replace Big 12 co-Defensive Player of the Year Jackson Jeffcoat on the other side, but ESPN 300 recruit Derick Roberson, the No. 8 DE in the Class of 2014, could help right away. The Longhorns should also be stout inside, with run-stuffing tackles Malcom Brown and Desmond Jackson back to clog the middle.
4. Kansas State: Ryan Mueller, who was eighth nationally with 11.5 sacks last season, comes back after a breakout All-Big 12 season. Travis Britz is an all-conference-caliber tackle and gives K-State one of the better one-two punches on the D-line in the league. Joining them will be Terrell Clinkscales, who was the No. 4 junior college DT in the 2014 class. The Wildcats pried Clinkscales away from Nebraska, and at 315 pounds he could be the perfect complement to Britz, who relies more on quickness.
6. Baylor: The Bears feature two of the more intriguing defensive linemen in the league. DE Shawn Oakman, a former Penn State transfer with tremendous length at 6-foot-9, finished sixth in the league with 12.5 tackles for loss last season, but he tailed off in Big 12 play. Baylor will ask him to play a much bigger role along the line, and he has the potential to give the Bears a unique playmaker there. On the inside, Baylor will lean more on Andrew Billings, who was part of the DT rotation as a freshman. If both Billings and Oakman play up to their vast potential, Baylor could be a handful up front.
7. Texas Tech: The Red Raiders lose their two best defensive linemen in Kerry Hyder and Dartwan Bush, and Tech got pushed around up front anyway last season. Coach Kliff Kingsbury recognized this deficiency and signed four juco defensive linemen, all of whom have a chance to play immediately. Of the returning linemen, Branden Jackson was by far the most productive, totaling nine tackles for loss and four sacks as a starter.
8. Iowa State: Like Texas Tech, Iowa State loaded up on immediate defensive line help, signing three juco defensive ends in Dalyou Pierson, Terry Ayeni and Gabe Luna, who is enrolled already for spring ball. Those three together with All-Big 12 honorable-mention selection Cory Morrissey and sophomore Mitchell Meyers should give Iowa State a solid rotation at end. Rodney Coe, who started the last four games, will anchor the Cyclones inside.
9. West Virginia: The Mountaineers lose two of three starters along the D-line, including second-team All-Big 12 end Will Clarke. West Virginia is hoping for big things from DE Kyle Rose, who started as a sophomore last season. Dontrill Hyman will likely fill a starting role on the other side, though he could get pushed for time by Eric Kinsey and Noble Nwachukwu, who both will be in their third year in the program. The Mountaineers will lean on Christian Brown and Darrien Howard at nose guard. Howard was an ESPN 300 recruit last year and played as a freshman. There’s some talent and potential here.
10. Kansas: Despite also losing two starters, the Jayhawks have experience up front. Defensive captain Keon Stowers is back after manning the middle in 2013. Ben Goodman returns as well in Kansas’ “buck” role, and he is coming off a very solid sophomore season. Goodman’s backup, Michael Reynolds, and rotation players Tedarian Johnson and Ty McKinney give the Jayhawks depth.
Needs filled: Prerogative No. 1 for Baylor is fixing its defense, and the Bears are getting some help at linebacker in prep transfer Brian Nance, Raaquan Davis (No. 28 outside linebacker) and Travon Blanchard (No. 37 OLB). Future defensive tackle Andrew Billings was a home-grown talent who should compliment Javonte Magee well up front in the years to come. The Bears also need to keep the offensive machine humming. They seem to have done that with their two top signees, Robbie Rhodes, the nation's No. 3 receiver, and Chris Johnson, the nation's No. 5 dual-threat passer who coach Art Briles raved about in his signing day presser.
Holes remaining: Debate their quality all you'd like, but the Bears lost players in the secondary like Chance Casey and Mike Hicks, and cornerback Joe Williams will be a senior. There's not a lot of strength at defensive back in this class, unless Taion Sells (No. 46 safety) and Alfred Pullom (No. 67 safety) can blossom in Waco.
Needs filled: Rodney Coe comes to Ames via junior college and will try and replace some losses along the defensive line, but the biggest need for the Cyclones has been offensive playmakers. Aaron Wimberly checks in via the juco ranks at running back, but can ISU develop Texas receivers Brandon Harris and Bryan Ajumobi into major weapons at the Big 12 level?
Holes remaining: The Cyclones lost a pair of starters at linebacker and signed just one linebacker in this class, Florida native Brian Mills. Besides that, Iowa State did a nice job of bringing in big bodies along the defensive line and filling some offensive line holes, too, headlined by in-state prospect Jake Campos, who Iowa State swiped from Mizzou.
Needs filled: I'll be honest here, KU could use a big talent upgrade at pretty much every position on the field, other than running back. It's all about the jucos for the Jayhawks. Marquel Combs could be a major player up front to help KU stop the run and collapse pockets, but KU got a pair of big-time playmakers at receiver, too, in Ishmael Hyman and Rodriguez Coleman. Chris Martin offers another solid option as a pass-rusher. The Jayhawks also added a pair of quarterbacks in Montell Cozart and Jordan Darling.
Holes remaining: Did KU get enough high-quality linemen to replace its three lost starters? Ahongalu Fusimalohi is a juco transfer and Joey Bloomfield is the nation's No. 118 offensive tackle, but replacing solid starters like Tanner Hawkinson and Trevor Marrongelli is no easy task.
Needs filled: K-State basically lost its entire defense from last year, so any defenders will be greatly appreciated. Four of the classes' top five signees are defenders, highlighted by inside linebacker Nick Ramirez and juco corner Nate Jackson. Inside linebacker Tanner Wood and juco defensive end Devon Nash will also help fill the Wildcats' big losses defensively.
Holes remaining: The Wildcats are solid at running back this year, but it could be looking a bit thin in the future. John Hubert will be a senior this year and Bryce Brown didn't pan out, so K-State might have used a running back in this class. It didn't happen. K-State was shut out at the position.
Needs filled: Defensive line was the biggest one, and the Sooners grabbed two pass-rushers in the ESPN 300, D.J. Ward and Matt Dimon. Those two should pay off big, and Ward has enrolled early. Hatari Byrd also gives the Sooners an answer in the secondary while the nation's No. 3 running back, Keith Ford, helps provide solid depth at running back.
Holes remaining: Oklahoma lost Tom Wort to the NFL draft and Corey Nelson will be a senior next year, but Oklahoma didn't stock this class with a single linebacker. The Sooners don't put many traditional linebackers on the field and has converted a lot of safeties into outside linebackers, but still.
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